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J. FLORY.

Machine for Rounding the Corners of |ate Frames. No. 78,200. PatentedMay 26, 1868.

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Letters Patent No. 78,200, dated May 26, 1868.

IMPROVEMENT IN MACHINES ronnoounmc Tina: courses or SLATE-FRAMES;

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TO ALL WHOM IT MAY CONGERNi Be it known that I, Joni: FLORY, ofFlicksville, Northampton county, State of Pennsylvania, have inventedanew and improved Machine for Rounding the Edges and Corners'ofSlateFrames; and I do hereby declare the following description andaccompanying drawings are suificient to enable any'pcrson skilled intheart or science to which it most nearly appcrtains to make and usemy saidinvention or improvements without further invention or experiment. i I vThcnature of nay-invention and improvements consists in constructing amachine witharevolving'or wheel cutter, the shaft of which is supportedby a frame so arranged as to vibrate automatically for shaping androunding the curved corners of the slate-frame, which in this. caseisheld in afixed position, but capableralso ofbeing fixed and madestationary for rounding and finihing -the straight sides o f'theslate-frame, which are moved along upon a. straight way or guide to beacted upon bythe cutter; also, in so'arranging that part ofthe" 5vibrating-frame that supports the'cutter, that it may be adjusted uponthe main frame, and the "cutter moved toward or from the axis of saidframe, to reduce or enlarge the radius of the circle, upon an arc ofwhich the corners are shaped or cut, 7 I l p A is aframc supportingtheoperating-machinery, as represented in the accompanying drawings, ofwhich Figure -1 is a side view or elevation of my machine, and

Figure 2 an end view of the same. J l I B is the driving-shaft, to whichmoving-power may be applied by a pulley or otherwise, and the pulley Oon this shaft drives, by the belt D, the pulley E on the shaft F, uponwhich is the disk (or an arm) Gr, connected, by the rod H, to the arm-Ifixed on the shaft J of the vibrating-frame K.; r I

The pulley L on the driving-shaft carries, by means ofthe belt M, thepulley N, which turnsloose on the shaft of the frame K, but is fastenedto and carries the pulley O, which, by-means of the belt 1?, drives thepulley Q on the 'shaft R within the vibrating-frame-K; and on the shaftR is the pulleyS, driving, by. the belt T, the pulley U, upon the shaftof which the cutter V is fixed. A

Directly over the cutter is theholding-frame W,upon which the twotriangularepieces X are so placed that their inclined edges are at rightangles to each other, and form a rest for supporting the slate-framewhen the corners are to be shaped and rounded. V I V p The driving-shaftbeing started, the arm I, conuected'as before described, will bedrawndown, and, by means of the cutter-frame, willcarry the cutter hack,orto the left of the position represented in fig. 1, and the corner ofthe slate-frame may then be placed so thatthe two adjacent sides formingthe corner may rest upon the pieces X, and the machine being continuedin motion, the arm I- will carry the cutter forward, the cutter atthcsame time being made to revolve rapidly by its connection with thedriviug-shaftalready described. The corner of the-slate-framc presentedto it will be cut ofi and roun'ded'by the teeth of the cutter, the edgesof the teeth being curved in such manner as to give-the edge of theframe the desired shape. -The motion being" continued still, thevibrating-frame will carry the cutter back to its former position,and'in the mean time another corner may be inserted in the place of theonejnst cut, to be acted upon by the cutter when it again advances,-care being taken to insert the corner in such a way that thecutter-teeth will strike the grain of the wood inthc most favorabledirection for leaving the edge even and smooth. l

The bar 2, in front of the holding-frame W, turns on pins passingthrough brackets into its ends, and is provided with platcs a a,projecting from it, and benttoutward at 'rightangles, so that when thebar is turned, by drawing forward theleVcr-arm I), the plates (1 a. willbe pressed against the slate-frame and hold ,it firm while it isactedupon bythe cutter.

The screws 0 c, which secure to the main vibrating-frame thejournal-boxes of the shaft holding the cutter V, pass through slots, sothat, when loosened, theauxiliary frame, holding these journal-boxes,maybe raised or lowered on the main frame, and thus length-en or shortenthe radius of the circle or are upon which the corners of theslate-frame are cut as desired.

To finish or round the-streight 'sides of the elaiteiiioine, the BeltDisjthronrnofl seas to run loose or on to a loose pulley, when the vibiating-frome stops, and, being 'jilacedf in a vez ti'ca'l position, it isse eui ed there by the barf, one end of which is fastened to the frameA, and the other-bent and inserted in the frame K. The

holding-frame W'mnst then be turned back upon the hinge shown d, fig; 2,and the straight guide shownin A fig.'3 put on in place of,it, andsecured by the sci-ewe e e, so that the teeth of the eutter mayprojectup through finished as desired.

the curved opening g. lhe straiight edge of the slate-frame isthen-placed. upon the projecting wa-y or guide I and moved. along to heacted upon by t hevcurved edges ofthe teeth of the revolving entter; andbe rounded and I The foregoing being a. description of my improvedmaehine. I I I I c1aim,.in eombineition with the disk or erm G; withitserank-pin, the connecting-rod H and the m5 I on theshiftJ, forvibrating the'frame K and eutter'V, substantially as de eribed.

' JOHN FLORY.

-Witnesses:

-B. ARNDT, E. W. BARNET.

